ALEXANDRIA, Va., May 19 -- United States Patent no. 12,635,405, issued on May 19, was assigned to Beijing BOE Technology Development Co. Ltd; (Beijing) and BOE Technology Group Co. Ltd. (Beijing).
"Quantum dot material and preparation method therefor, quantum dot display device, display apparatus, method for patterning quantum dot film, and method for fabricating quantum dot light-emitting device" was invented by Zhuo Li (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quantum dot material includes: a quantum dot and a ligand for modifying the quantum dot. The ligand is coordinately bound to the quantum dot, has a photosensitive isomerization property, is a derivative of azobenzene, and contains a u...